Dialogy

- [x] fix: `entity.entity_type` and `entity.type` mirror each other till one of them is deprecated. ([15](https://github.com/Vernacular-ai/dialogy/pull/15))
- [x] update: Slot filling doesn't require entities to contain slot related information. ([16](https://github.com/Vernacular-ai/dialogy/pull/16))
- [x] add: `debug_logs` decorators available to all plugin methods.

- [x] docs: moved from pycco to sphinx. ([bed0a6](https://github.com/Vernacular-ai/dialogy/commit/bed0a664550a620cac24ce7b35c72bdb7a93a01f))
- [x] update: reference time made to be an optional parameter for `DucklingParser`. ([d7d8b39](https://github.com/Vernacular-ai/dialogy/commit/d7d8b39ddce3a0e3bf2618d8ee1d4ba2ce96d093))
- [x] add: Means to `normalize` 4 formats in which alternatives are usually presented. ([5b6c8c](https://github.com/Vernacular-ai/dialogy/commit/5b6c8ce7da6eb66bd17e4419594a51352fbac7ed))
- [x] update: Prevents accidental loss of data if template fails. ([e2be8c](https://github.com/Vernacular-ai/dialogy/commit/e2be8c222b155e5121044325b878f75b0c4b7c95))

- [x] add: Scaffolding generator using [copier](https://copier.readthedocs.io/en/stable/) ([17077a2](https://github.com/Vernacular-ai/dialogy/commit/17077a2276029e534f5aa3b2af566d68c130a331)).

- [x] add: Slot filler plugin via ([7](https://github.com/Vernacular-ai/dialogy/pull/7)).